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Merge pull request #6838 from jriwanek-forks/thunderboard

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MediaVision ThunderBoard
This commit is contained in:
Miran Grča
2026-02-23 09:01:21 +01:00
committed by GitHub
parent a8bfdb0791 eb3b07a485
commit fdc900f8e3
6 changed files with 162 additions and 9 deletions
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2
src/include/86box/snd_sb.h
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@@ -15,7 +15,7 @@
*
* Copyright 2008-2018 Sarah Walker.
* Copyright 2016-2018 Miran Grca.
* Copyright 2024-2025 Jasmine Iwanek.
* Copyright 2024-2026 Jasmine Iwanek.
*/
#ifndef SOUND_SND_SB_H
#define SOUND_SND_SB_H

10
src/include/86box/snd_sb_dsp.h
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@@ -9,9 +9,9 @@
#define SB_SUBTYPE_CLONE_AZT1605_0X0C 2 /* Aztech Sound Galaxy Nova 16 Extra /
Packard Bell Forte 16, DSP 2.1 - SBPRO2 clone */
#define SB_SUBTYPE_CLONE_AZTPR16_0X09 3 /* Aztech Sound Galaxy Pro 16 Extra */
#define SB_SUBTYPE_ESS_ES688 4 /* ESS Technology ES688 */
#define SB_SUBTYPE_ESS_ES1688 5 /* ESS Technology ES1688 */
#define SB_SUBTYPE_MVD201 6 /* Mediavision MVD201, found on the thunderboard and PAS16 */
#define SB_SUBTYPE_MVD201 4 /* Mediavision MVD201, found on the thunderboard and PAS16 */
#define SB_SUBTYPE_ESS_ES688 5 /* ESS Technology ES688 */
#define SB_SUBTYPE_ESS_ES1688 6 /* ESS Technology ES1688 */
/* ESS-related */
#define IS_ESS(dsp) ((dsp)->sb_subtype >= SB_SUBTYPE_ESS_ES688) /* Check for future ESS cards here */
@@ -21,6 +21,9 @@
#define IS_AZTECH(dsp) ((dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT2316A_0X11 || (dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZT1605_0X0C || (dsp)->sb_subtype == SB_SUBTYPE_CLONE_AZTPR16_0X09) /* check for future AZT cards here */
#define AZTECH_EEPROM_SIZE 36
/* MediaVision related */
#define IS_MV201(dsp) ((dsp)->sb_subtype >= SB_SUBTYPE_MVD201)
typedef struct sb_dsp_t {
int sb_type;
int sb_subtype; /* which clone */
@@ -103,6 +106,7 @@ typedef struct sb_dsp_t {
int sbreset;
uint8_t sbreaddat;
uint8_t sb_command;
uint8_t sb_last_command;
uint8_t sb_test;
int sb_timei;
int sb_timeo;

3
src/include/86box/sound.h
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@@ -228,6 +228,9 @@ extern const device_t entertainer_device;
/* Mindscape Music Board */
extern const device_t mmb_device;
/* MediaVision ThunderBoard */
extern const device_t thunderboard_device;
/* OPTi 82c93x */
extern const device_t acermagic_s20_device;
extern const device_t mirosound_pcm10_device;

143
src/sound/snd_sb.c
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@@ -15,7 +15,7 @@
*
* Copyright 2008-2020 Sarah Walker.
* Copyright 2016-2020 Miran Grca.
* Copyright 2024-2025 Jasmine Iwanek.
* Copyright 2024-2026 Jasmine Iwanek.
*/
#include <stdarg.h>
#include <stdint.h>
@@ -45,9 +45,10 @@
#include <86box/plat_unused.h>
#include <86box/snd_azt2316a.h>
#define SB_1 0
#define SB_15 1
#define SB_2 2
#define SB_1 0
#define SB_15 1
#define SB_2 2
#define THUNDERBOARD 3
#define SB_16_PNP_NOIDE 0
#define SB_16_PNP_IDE 1
@@ -2959,6 +2960,10 @@ sb_init(UNUSED(const device_t *info))
sb->cms_enabled = device_get_config_int("cms");
mixer_addr = device_get_config_int("mixaddr");
break;
case THUNDERBOARD:
model = SB_DSP_200;
sb->cms_enabled = 0;
break;
}
sb->opl_enabled = device_get_config_int("opl");
@@ -3006,7 +3011,7 @@ sb_init(UNUSED(const device_t *info))
&sb->cms);
}
if (mixer_addr > 0x000) {
if (mixer_addr > 0x0000) {
sb->mixer_enabled = 1;
io_sethandler(mixer_addr + 4, 0x0002,
sb_ct1335_mixer_read, NULL, NULL,
@@ -3026,6 +3031,58 @@ sb_init(UNUSED(const device_t *info))
return sb;
}
void *
thunderboard_init(UNUSED(const device_t *info))
{
/* ThunderBoard port mappings, 210h to 260h in 10h steps
2x6, 2xA, 2xC, 2xE -> DSP chip */
sb_t *sb = calloc(1, sizeof(sb_t));
const uint16_t addr = device_get_config_hex16("base");
sb->opl_enabled = device_get_config_int("opl");
if (sb->opl_enabled)
fm_driver_get(FM_YM3812, &sb->opl);
sb_dsp_set_real_opl(&sb->dsp, 0);
sb_dsp_init(&sb->dsp, SB_DSP_200, SB_SUBTYPE_MVD201, sb);
/* DSP I/O handler is activated in sb_dsp_setaddr */
sb_dsp_setaddr(&sb->dsp, addr);
sb_dsp_setirq(&sb->dsp, device_get_config_int("irq"));
sb_dsp_setdma8(&sb->dsp, 1);
if (device_get_config_int("gameport")) {
sb->gameport = gameport_add(&gameport_device);
sb->gameport_addr = 0x200;
gameport_remap(sb->gameport, sb->gameport_addr);
}
/* DSP I/O handler is activated in sb_dsp_setaddr */
if (sb->opl_enabled) {
io_sethandler(addr, 0x0002,
sb->opl.read, NULL, NULL,
sb->opl.write, NULL, NULL,
sb->opl.priv);
io_sethandler(addr + 8, 0x0002,
sb->opl.read, NULL, NULL,
sb->opl.write, NULL, NULL,
sb->opl.priv);
io_sethandler(0x0388, 0x0002,
sb->opl.read, NULL, NULL,
sb->opl.write, NULL, NULL,
sb->opl.priv);
}
sb->cms_enabled = 0;
sb->mixer_enabled = 0;
sound_add_handler(sb_get_buffer_sb2, sb);
if (sb->opl_enabled)
music_add_handler(sb_get_music_buffer_sb2, sb);
sound_set_cd_audio_filter(sb2_filter_cd_audio, sb);
return sb;
}
void *
sb_mcv_init(UNUSED(const device_t *info))
{
@@ -4288,6 +4345,68 @@ static const device_config_t sb_config[] = {
{ .name = "", .description = "", .type = CONFIG_END }
};
static const device_config_t thunderboard_config[] = {
{
.name = "base",
.description = "Address",
.type = CONFIG_HEX16,
.default_string = NULL,
.default_int = 0x220,
.file_filter = NULL,
.spinner = { 0 },
.selection = {
{ .description = "0x210", .value = 0x210 },
{ .description = "0x220", .value = 0x220 },
{ .description = "0x230", .value = 0x230 },
{ .description = "0x240", .value = 0x240 },
{ .description = "0x250", .value = 0x250 },
{ .description = "0x260", .value = 0x260 },
{ .description = "" }
},
.bios = { { 0 } }
},
{
.name = "irq",
.description = "IRQ",
.type = CONFIG_SELECTION,
.default_string = NULL,
.default_int = 7,
.file_filter = NULL,
.spinner = { 0 },
.selection = {
{ .description = "IRQ 2", .value = 2 },
{ .description = "IRQ 3", .value = 3 },
{ .description = "IRQ 5", .value = 5 },
{ .description = "IRQ 7", .value = 7 },
{ .description = "" }
},
.bios = { { 0 } }
},
{
.name = "gameport",
.description = "Enable Game port",
.type = CONFIG_BINARY,
.default_string = NULL,
.default_int = 0,
.file_filter = NULL,
.spinner = { 0 },
.selection = { { 0 } },
.bios = { { 0 } }
},
{
.name = "opl",
.description = "Enable OPL",
.type = CONFIG_BINARY,
.default_string = NULL,
.default_int = 1,
.file_filter = NULL,
.spinner = { 0 },
.selection = { { 0 } },
.bios = { { 0 } }
},
{ .name = "", .description = "", .type = CONFIG_END }
};
static const device_config_t sb15_config[] = {
{
.name = "base",
@@ -5576,6 +5695,20 @@ static const device_config_t ess_1688_pnp_config[] = {
};
// clang-format on
const device_t thunderboard_device = {
.name = "MediaVision ThunderBoard",
.internal_name = "thunderboard",
.flags = DEVICE_ISA,
.local = THUNDERBOARD,
.init = thunderboard_init,
.close = sb_close,
.reset = NULL,
.available = NULL,
.speed_changed = sb_speed_changed,
.force_redraw = NULL,
.config = thunderboard_config
};
const device_t sb_1_device = {
.name = "Sound Blaster v1.0",
.internal_name = "sb",

12
src/sound/snd_sb_dsp.c
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@@ -1732,6 +1732,18 @@ sb_exec_command(sb_dsp_t *dsp)
sb_add_data(dsp, ~dsp->sb_data[0]);
break;
case 0xE1: /* Get DSP version */
if (IS_MV201(dsp)) {
if (dsp->sb_last_command == 0xE1) {
sb_add_data(dsp, 0x01);
sb_add_data(dsp, 0x30);
dsp->sb_last_command = 0x00;
} else {
sb_add_data(dsp, 0x02);
sb_add_data(dsp, 0x00);
dsp->sb_last_command = 0xE1;
}
break;
}
if (IS_ESS(dsp)) {
/*
0x03 0x01 (Sound Blaster Pro compatibility) confirmed by both the

1
src/sound/sound.c
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@@ -126,6 +126,7 @@ static const SOUND_CARD sound_cards[] = {
#ifdef USE_LIBSERIALPORT /*The following devices required LIBSERIALPORT*/
{ &opl2board_device },
#endif
{ &thunderboard_device },
{ &pasplus_device },
{ &sb_1_device },
{ &sb_15_device },